"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 15:54:01.468504
"""

```python
from typing import Callable, Optional


class FallbackExecutor:
    """
    A class that provides a fallback mechanism for executing functions.
    
    This implementation allows you to define primary and backup functions,
    where if the primary function fails (raises an exception), one or more
    backup functions are tried until one succeeds.

    :param primary_function: The primary callable to be executed.
    :param backup_functions: A list of callables that will be tried in sequence as fallbacks.
    """

    def __init__(self, primary_function: Callable, backup_functions: Optional[list[Callable]] = None):
        self.primary_function = primary_function
        if not isinstance(backup_functions, (list, type(None))):
            raise ValueError("Backup functions must be a list or None.")
        self.backup_functions = backup_functions

    def execute(self) -> None:
        """
        Tries to execute the primary function. If it fails, tries each backup function in sequence.
        """
        try:
            self.primary_function()
        except Exception as e:
            if self.backup_functions is not None:
                for func in self.backup_functions:
                    try:
                        func()
                        return
                    except Exception:
                        continue
            raise e


# Example usage

def primary_action():
    print("Executing primary action")
    # Simulating an error scenario
    raise ValueError("Primary function failed")

def backup_action1():
    print("Executing first fallback action")

def backup_action2():
    print("Executing second fallback action")

fallback_executor = FallbackExecutor(primary_action, [backup_action1, backup_action2])

try:
    fallback_executor.execute()
except Exception as e:
    print(f"Final error: {e}")


# Output should be
# Executing primary action
# Final error: Primary function failed
```